Practical road temp probe

[Teranews]

Is it practical to use an IR thermometer to read surface temperature. The
application would be under a vehicle, at highway speeds, on asphalt, with
patches of ice. I was thinking of a remote sensing temperature probe, with
a range of about 8 inches. I know very little about emissitivity, or the
instruments in general. Any Comments? Al

 

[CWatters]

"Teranews" <agerhart@nospam.paccomm.net> wrote in message
news:1103068367.7514d096dfbaa5cb888beb4354f0bf05@teranews...

Is it practical to use an IR thermometer to read surface temperature. The
application would be under a vehicle, at highway speeds, on asphalt, with
patches of ice. I was thinking of a remote sensing temperature probe,
with
a range of about 8 inches. I know very little about emissitivity, or the
instruments in general. Any Comments? Al

http://www.sicard-snowblast.com/SURFACE_TEMP_SENSOR.html

99J Infrared Temperature Sensor
Surface Patrol
The Model 999J dual temperature sensor measures surface and ambient (air)
temperatures digitally. This system senses the pavement temperature under
your vehicle as you drive at acceptable highway speeds. The driver is
alerted in advance of temperatures that may be approaching the freezing
point.

 

[Teranews]

Thank you sir, I'll take that as a "Yes". I gave them a call, and they only
wanted $1200.00 for it. I guess I'll have to find another way. Al


"CWatters" <colin.watters@pandoraBOX.be> wrote in message
news:UySvd.715$te4.91226@phobos.telenet-ops.be...

"Teranews" <agerhart@nospam.paccomm.net> wrote in message
news:1103068367.7514d096dfbaa5cb888beb4354f0bf05@teranews...
Is it practical to use an IR thermometer to read surface temperature. The
application would be under a vehicle, at highway speeds, on asphalt, with
patches of ice. I was thinking of a remote sensing temperature probe,
with
a range of about 8 inches. I know very little about emissitivity, or the
instruments in general. Any Comments? Al


http://www.sicard-snowblast.com/SURFACE_TEMP_SENSOR.html

99J Infrared Temperature Sensor
Surface Patrol
The Model 999J dual temperature sensor measures surface and ambient (air)
temperatures digitally. This system senses the pavement temperature under
your vehicle as you drive at acceptable highway speeds. The driver is
alerted in advance of temperatures that may be approaching the freezing
point.

 

[Anthony Fremont]

"Teranews" <agerhart@nospam.paccomm.net> wrote in message
news:1103130662.ee4048cbd7b0824a1b56046ffc36c5bc@teranews...

Thank you sir, I'll take that as a "Yes". I gave them a call, and they
only
wanted $1200.00 for it. I guess I'll have to find another way. Al

Why can't you just hack one of these:
http://www.techinstrument.com/InfraredThermometersindex.html

For $50 you can obtain everything you need plus a laser to show you the
exact spot on the road that you are measuring. ;-)

It appears that the $1200 "professional" version just mounts the sensor
in a tube to ward off water and dirt. I really don't see why you
couldn't just take apart a cheap handheld IR thermometer and remote the
sensor to the bottom of the car.

 

[CWatters]

"Teranews" <agerhart@nospam.paccomm.net> wrote in message
news:1103130662.ee4048cbd7b0824a1b56046ffc36c5bc@teranews...

Thank you sir, I'll take that as a "Yes". I gave them a call, and they
only
wanted $1200.00 for it. I guess I'll have to find another way. Al

Perhaps cheaper...

http://www.geneq.com/catalog/en/roadwatch.html

 

[CWatters]

"CWatters" <colin.watters@pandoraBOX.be> wrote in message
news:SIjwd.1977$cd4.41001@phobos.telenet-ops.be...

"Teranews" <agerhart@nospam.paccomm.net> wrote in message
news:1103130662.ee4048cbd7b0824a1b56046ffc36c5bc@teranews...
Thank you sir, I'll take that as a "Yes". I gave them a call, and they
only
wanted $1200.00 for it. I guess I'll have to find another way. Al

Perhaps cheaper...

http://www.geneq.com/catalog/en/roadwatch.html

also from here

http://www.msfoster.com/tms.html

 

[Nicholas O. Lindan]

"Teranews" <agerhart@nospam.paccomm.net> wrote

Is it practical to use an IR thermometer to read surface temperature
asphalt, with patches of ice ... I know very little about
emissitivity [help].

I find there is often the possibility, when arriving early on the scene,
and even though one knows nothing, to be one of the world's experts on the
subject at hand.

My guess is Bosch may have the best handle on this. Next in line
would be Delco/Delphi. What does a literature search bring up? Try
google 'scholar'.

On a related subject, I would like to see the Agilent mouse
technology used for vehicle speed and attitude determination
for anti-lock braking and stability control.

There is an awful lot to be done on sensing the road beneath a
vehicle.

--
Nicholas O. Lindan, Cleveland, Ohio
Consulting Engineer: Electronics; Informatics; Photonics.
Remove spaces etc. to reply: n o lindan at net com dot com
psst.. want to buy an f-stop timer? nolindan.com/da/fstop/